Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!seismo!lll-crg!nike!ucbcad!ucbvax!CIP.UCI.EDU!drose From: drose@CIP.UCI.EDU (Don Rose) Newsgroups: mod.ai Subject: TMS, DDB and infinite loops Message-ID: <8609171756.AA13313@ucbvax.Berkeley.EDU> Date: Wed, 17-Sep-86 13:57:52 EDT Article-I.D.: ucbvax.8609171756.AA13313 Posted: Wed Sep 17 13:57:52 1986 Date-Received: Fri, 19-Sep-86 22:09:02 EDT Sender: daemon@ucbvax.BERKELEY.EDU Organization: The ARPA Internet Lines: 8 Approved: ailist@sri-stripe.arpa Does anyone know whether the standard algorithms for belief revision (e.g. dependency-directed backtracking in TMS-like systems) are guaranteed to halt? That is, is it possible for certain belief networks to be arranged such that no set of mutually consistent beliefs can be found (without outside influence)? --Donald Rose drose@ics.uci.edu ICS Dept Irvine CA 92717